65059139850 has 24 divisors (see below), whose sum is σ = 161346667200. Its totient is φ = 17349103920.

The previous prime is 65059139813. The next prime is 65059139863. The reversal of 65059139850 is 5893195056.

65059139850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65059139793 and 65059139802.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216863650 + ... + 216863949.

It is an arithmetic number, because the mean of its divisors is an integer number (6722777800).

Almost surely, 2^65059139850 is an apocalyptic number.

65059139850 is an abundant number, since it is smaller than the sum of its proper divisors (96287527350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65059139850 is a wasteful number, since it uses less digits than its factorization.

65059139850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433727614 (or 433727609 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 51.

The spelling of 65059139850 in words is "sixty-five billion, fifty-nine million, one hundred thirty-nine thousand, eight hundred fifty".